23320520431532 has 12 divisors (see below), whose sum is σ = 40811030586480. Its totient is φ = 11660225978256.

The previous prime is 23320520431529. The next prime is 23320520431547. The reversal of 23320520431532 is 23513402502332.

It is a junction number, because it is equal to n+sod(n) for n = 23320520431492 and 23320520431501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6995048 + ... + 9776079.

It is an arithmetic number, because the mean of its divisors is an integer number (3400919215540).

Almost surely, 2^{23320520431532} is an apocalyptic number.

It is an amenable number.

23320520431532 is a deficient number, since it is larger than the sum of its proper divisors (17490510154948).

23320520431532 is a wasteful number, since it uses less digits than its factorization.

23320520431532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17118760 (or 17118758 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 23320520431532 its reverse (23513402502332), we get a palindrome (46833922933864).

The spelling of 23320520431532 in words is "twenty-three trillion, three hundred twenty billion, five hundred twenty million, four hundred thirty-one thousand, five hundred thirty-two".